org.apache.flink.runtime.util

Class ConfigurationParserUtils

java.lang.Object

org.apache.flink.runtime.util.ConfigurationParserUtils

public class ConfigurationParserUtils
extends Object

Utility class to extract related parameters from Configuration and to sanity check them.

Constructor Summary

Constructors

Constructor and Description
ConfigurationParserUtils()

Method Summary

Modifier and Type	Method and Description
static void	checkConfigParameter(boolean condition, Object parameter, String name, String errorMessage) Validates a condition for a config parameter and displays a standard exception, if the the condition does not hold.
static int	getPageSize(org.apache.flink.configuration.Configuration configuration) Parses the configuration to get the page size and validates the value.
static int	getSlot(org.apache.flink.configuration.Configuration configuration) Parses the configuration to get the number of slots and validates the value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConfigurationParserUtils

public ConfigurationParserUtils()

Method Detail

getSlot

public static int getSlot(org.apache.flink.configuration.Configuration configuration)

Parses the configuration to get the number of slots and validates the value.

Parameters:

configuration - configuration object

Returns:

the number of slots in task manager

checkConfigParameter

public static void checkConfigParameter(boolean condition,
                                        Object parameter,
                                        String name,
                                        String errorMessage)
                                 throws org.apache.flink.configuration.IllegalConfigurationException

Validates a condition for a config parameter and displays a standard exception, if the the condition does not hold.

Parameters:

condition - The condition that must hold. If the condition is false, an exception is thrown.

parameter - The parameter value. Will be shown in the exception message.

name - The name of the config parameter. Will be shown in the exception message.

errorMessage - The optional custom error message to append to the exception message.

Throws:

org.apache.flink.configuration.IllegalConfigurationException - if the condition does not hold

getPageSize

public static int getPageSize(org.apache.flink.configuration.Configuration configuration)

Parses the configuration to get the page size and validates the value.

Parameters:

configuration - configuration object

Returns:

size of memory segment